430990 has 32 divisors (see below), whose sum is σ = 912384. Its totient is φ = 143520.

The previous prime is 430987. The next prime is 430999. The reversal of 430990 is 99034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225 + ... + 3355.

It is an arithmetic number, because the mean of its divisors is an integer number (28512).

2⁴³⁰⁹⁹⁰ is an apocalyptic number.

430990 is an abundant number, since it is smaller than the sum of its proper divisors (481394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

430990 is a wasteful number, since it uses less digits than its factorization.

430990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 430990 is about 656.4982863649. The cubic root of 430990 is about 75.5363040468.

The spelling of 430990 in words is "four hundred thirty thousand, nine hundred ninety".